Electricity tester pens, also known as electrical pen testers , are indispensable tools for any modern enterprise managing electrical installations or performing routine maintenance. With a myriad of options available on the market, knowing what to prioritize when sourcing these tools can save time, minimize risk, and ensure cost efficiency. Whether you’re a procurement manager or seeking a high-volume supplier for your organization, this guide will walk you through crucial factors to consider and help you make an informed decision. Table of contents： Assessing the Voltage Detection Range of Electricity Tester Pens Understanding the Safety Features Integrated into Electricity Tester Pens Evaluating the Ergonomics and Design of Electricity Tester Pens Analyzing the Cost-Effectiveness of Electricity Tester Pens   Assessing the Voltage Detection Range of Electricity Tester Pens The voltage detection range is one of the most critical aspects to evaluate when sourcing elec...